Home / 36,896.72-55,312.20-13,517.69

Finding the Fourth Proportional to 36,896.72, 55,312.20 and 13,517.69

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Solution

The fourth proportional to 36,896.72, 55,312.20 and 13,517.69 is: 20,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.72 : 55,312.20 = 13,517.69 : x
  2. Step 2: Convert to fraction form
    36,896.72/55,312.20 = 13,517.69/x
  3. Step 3: Cross multiply
    36,896.72x = 55,312.20 × 13,517.69
  4. Step 4: Simplify right side
    36,896.72x = 747,692,896.26
  5. Step 5: Solve for x
    x = 747,692,896.26/36,896.72
  6. Step 6: Final answer
    x = 20,264.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.